package db;
|
|
import java.util.HashSet;
|
import java.util.Set;
|
|
public class DBBackupLock {
|
|
public static final String ALL_DB_LOCK = "ALL_DB_LOCK";
|
|
private static final Set<String> filter = new HashSet<String>();
|
|
public static boolean add(String lock) {
|
if (!filter.add(lock)) {
|
return false;
|
} else {
|
return true;
|
}
|
}
|
|
public static void remove(String lock) {
|
filter.remove(lock);
|
|
}
|
public static boolean getLock(String lock) {
|
return filter.contains(lock);
|
}
|
}
|
